{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6901",
    "entityType": "User",
    "nonce": "0xcd9d1aa3a686664277402d5a0187764f5d6757c48c17730d16b87be7a4bc3cad",
    "signature": "0x15fcb168c70eafaf8bfc18878b483818916328d77a0b612629fa4da44ee5e75a711d78b23ab1325bec6f65b76fe72e711b21e612b5c3c5fe5a3fe0359cd186f61c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}