{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x4e50a1a5f8ea4f31d3600a12a527ba9290e1e2b4bae3fd0d2d940c13614dc226",
    "signature": "0xe2eb1bc7b5eb7487ae8f98c75e1fe25317cdd9c458eb82ac9df59a8c19fff4b4431ef2b82b2b27c3f550e15d979b05d9bd9fad219c48820ae93e2f7b47bec5f11b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}