{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdab6a6369923540d0e164620c1321e4c1f7a616d03de24ffc83b70a05356efb5",
    "signature": "0xe5d7fe5ad09bc2728aad5ded0b22ba9fac988baf7be0569aa862743d63d92a044ea2ca20ce7fc4e444c9f894f136f14e5c948ad4a65a3beb23268869292bc13d1b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}