{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77481",
    "entityType": "User",
    "nonce": "0xff0453fd415555d51aa57d2264be450d2393dde56a9d36a678ebae602e02e568",
    "signature": "0xf113bc8b2ffc5d122e12d72d9f98fe5abb10c2323333ba48c961b4513d46e5d817b0e2a1ee04535c982c655219a466cfecdd8d70764cc3babaaa15b62bc4fa6b1b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}