{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "285143",
    "entityType": "User",
    "nonce": "0x40b8fe64ba3c90df592a9345546ca53222978c2f19ed307bfecb3c888818f8fe",
    "signature": "0x6a5625d4fca5841a6d79ab7acff5a08bb3fe17ca741090ec7fdc4c784c8f755b2ece93a76862beb8efdc7b3a67ae7fab13f7527aa8cc430c7481409edb477b9e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}