{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79678",
    "entityType": "User",
    "nonce": "0x6bef63ac0c3f4382dab43b621841e52493cc642382b5cf3cc102ad41f44538bf",
    "signature": "0x12a07b62820918adfb16729712605806cf5a745203897933ccf37e24f5281db27ca5d8664b680a3a78986e17e12971c6c13b5999ada1d56c6436b764a282c1471b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}