{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x864db3fc59397b9a0f76b0c152af0b2693178ba741ef431314cb6877a220488f",
    "signature": "0xba400ac37a9ab186e3799e59b167d195224370993d5156e16e8bf91f6bd4549e4a1b690e19db7f5dbab45cb1f80ef66abfc425c07b34ef49a8b37783fe1207d01b",
    "signer": "0x0aCBe776F193025439CaAAf7e3f4f7D77a63463A",
    "userId": "473952438"
  }
}