{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30319563",
    "entityType": "User",
    "nonce": "0x43bfd49ee0316111cc1387b2cb1d5ae3305b1e4e26901fe169534af75c5ff5d1",
    "signature": "0xb7a1282e1ff522ef1fe1e1b3226ef4915b6b939850784828c456bd9c5744205d609ae5d26ee522595f400ac3bd40bd68531d008e46232a0323442b3058fa0caa1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}