{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6aeb916e88dbcbac94e7861c23450da29bccc514404ee692bfef869caaa92a87",
    "signature": "0x5362adf5155c1d26e5971645e827993d0fc13d37aec838f681b114cce5220af8236fc99a2706796f4f0c54a2e1961c7f43c6216b20a5209a004695a823edb3981b",
    "signer": "0x0282346A7cbE9AD4E926935610080D74D8587c10",
    "userId": "345932992"
  }
}