{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2044",
    "entityType": "User",
    "nonce": "0x00710de26811aa918282bb382751ed5c2f3e2036af4a7a0c715cde447f2996ab",
    "signature": "0xb15d03492db1fdc91c4e25f0e110ef5730a92579c7e44c3e93e3ee267ae04a68178ffce625854256bfe112f02fe1958f8629d22cd6798bfc64b4e8f7fe4901071c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}