{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "255664195",
    "entityType": "User",
    "nonce": "0xe94825084bdcf3cb6f24585a49bdb15d62f24c669904fd2b3ad971ce35a5a30f",
    "signature": "0xa19005d7f4b8e353a1f56b6a2aaabd001bb48b9bc1c5d482234d1f06e5dfe4d97c57a013e4959a9774132a959a1e484d192558330a2a2aeb7d81fd95084823bb1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}