{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdcb124c7a891798c56bea5385d7ee17812cd3bce01b6ed2253406321525fba84",
    "signature": "0xa332e5e417653c8a356a63bc71182b917d77e6096f8afa562c4198a0b827dce11f10d337256b9e559bbe2017545ce924beb2504a012bc6c9068c8d15b53a47681b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}