{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4756",
    "entityType": "User",
    "nonce": "0xc0fa0d8d0232172aeaadb66b088be8ee55bfd9fef0e64d67714a2cb3ae57ba93",
    "signature": "0xec7f236fc7575476e65c1de3692b6dcd6d9238a664dc220b29816420de2f5e6641428ee1f8533de41ce8d7bfb1050281e10236c0fec193a66d9d8200f47550131b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}