{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "889252114",
    "entityType": "User",
    "nonce": "0x6b098b8d3e9928cd380863ee7e46897a33fb4f9dac0c992ec0166e3b16ff97cb",
    "signature": "0xd22d34cdca102a64c79800745380883883cf58a7b1cd068018d8bd669abb8f4e31ac90ac36530dff3c1ad64baee6e581a7d29b11b8898e4d723070fb25717f5e1b",
    "signer": "0x53Bfa6037a424C63e5001E895A2a53F7355C0c14",
    "userId": "145030908"
  }
}