{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227528",
    "entityType": "User",
    "nonce": "0xdcfc90843f412145d2509349ffe7b94b2cd0613b5fc4285d30dfcbd38e8da946",
    "signature": "0xfa8720ab534ab2db240d2f45b285e45b9e1c42469d1b55694f0819067d9d66b16e2669f7f51a493c829f83a610831e34e289f577d003a8bc249a8f6bf9b1fb9a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}