{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53010",
    "entityType": "User",
    "nonce": "0x009d01eea9f3eed4f7715eb55195b3deaf272159cb77b92fb1a1e6331babe5af",
    "signature": "0x60b783bd0eff1f78fda97230f7f87752b48e3e1df5df0de76607a4eaa268ce7e7a0e260f364759f3e4df222f215d34f8e926cfdd15fd786cc02eace5d224475e1b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}