{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967681084",
    "entityType": "User",
    "nonce": "0xa1182552dddddf2da4e4686b0e7152f02c18305fe5f62e556c4b21d1a14d46df",
    "signature": "0x81ea287a2d7150c74646d87f526df2c093ff10ffb68fed376221b52758a1e0b03e521e2e6abe59290cd90207e7d14587ec7e7acd58856194d5750fcee88703571c",
    "signer": "0xaCEa944E637Ed70d0846f218FeF88B644E2AA918",
    "userId": "221007610"
  }
}