{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x82176cd780f9b1333b8b8cb50b201af03b1c19ac85fd8e9bfda51395ef82d92c",
    "signature": "0x9833e16ce7f0c39f0e17701360eccfa24cd8eaa53e32ef73f692a2bb70f6eea10f367a4c70f5301b2324850d2b73377c871662f49afb8bf3a8379adef11916e91b",
    "signer": "0x2A59d72F9Ab93a9926FBFf82D7Bedcc2b00E58B7",
    "userId": "282202912"
  }
}