{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385952",
    "entityType": "User",
    "nonce": "0xd6d737f8b7ee4d77c22c5b7eb83725a72b3c1a6427ea90462b6a247b1256f6dd",
    "signature": "0x5a2b013eed9e8166d3cc4c604c70827ac154a0f50158992b3f722dc0a62aeb403d00e5514644728aebb5dedca21ffe41b550a02424caa231e1f77a654e4cb2c51c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}