{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77279",
    "entityType": "User",
    "nonce": "0x0221ad442a50988ff5a8c2e081f540b43c84867ba130f419aa7bf7757a0769a3",
    "signature": "0xb89307b10fe9fbd15b4cf188509ea66f08548b55b5ccf1fca55415d1bd83af9030bfb3a783753ad10da0c09bdcafbcf3fea2277ed3d2a80c039bca297b386e9f1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}