{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6808",
    "entityType": "User",
    "nonce": "0xa0c6c2983e4ce987d78b2742160209901fa1e9e404d48d3b5afe03617ce4ee03",
    "signature": "0x5c2c0dc7a1b5be12d379bd5d73fbb5ace3a25ec36f420152e0dfb5d01bc9f90f17b1bb5d2280b2d3685c2cf8515e70659468514f39aba538c130fa99d69d651a1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}