{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "653463747",
    "entityType": "User",
    "nonce": "0x253c196f596061874436d5c44bd703b800b1308b2059e8aed60fc5b0ab2d1337",
    "signature": "0x22baf39734c44ed5ddc21bca3da435a8712e7f1b2a4ca7ad85b16c2c4610d53a1628142fc86d8c396680f9b927e6494dee30532e44deca6e394abf70abf4a7951b",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}