{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4084",
    "entityType": "User",
    "nonce": "0x0455300b7b8a837594521ae93d97fd7cd64a1a51061ffdb12af666c3fd7d1645",
    "signature": "0x9e8a2c21f37d55f69426b673b490dd5aca129eba337b76e48a29d2ec67dc542e75f8c46ef33063cffce1de57b84f5dc98dd298a843de60c8b01f8bc02f7319b11b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}