{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895209133",
    "entityType": "User",
    "nonce": "0xb749feff0d09eb466384f60681c51f47a48e2e82893089a8c5d022c869b36e6a",
    "signature": "0x996463a92577fdb5b7e5cb0f02a818013e0ccccd29772f08c98a72341efe42927a2a2309974d8000cd23be3a346c4d97540c54c370ad88d32e13f41411e9ec111c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}