{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xd86097eda3e041d02b1d90368f510ba4c07c48e1393ddf4878ad09e3c4ca7a2a",
    "signature": "0x09ec47728f8e7bcc0432b02d0c77e233278cd0a5d1dafa541d275545e94dd45e25537f75dba2a2e06e27c30b88e71f411b74ac24ab4439ca44b2ddd63ce5bf221b",
    "signer": "0x0F822Eeda362e74bF696F900786f042056530CC8",
    "userId": "481969594"
  }
}