{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6884",
    "entityType": "User",
    "nonce": "0x3b0957b4619627ff95a37ceeb1377e309e2b6a3d0de654cacc7e60b39e42735d",
    "signature": "0x8938706b0522a481862a410df49272560e33c5a2f80ae2ab02aa76658825767f04613b74dd1b1f98aca7784c0781f21118389197c88f0655c63c68015279661b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}