{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363771",
    "entityType": "User",
    "nonce": "0x8e3e02b0ac8dcb2e8be1a90c670248c1f30ffcf66cb6668c7239c88012d3ba59",
    "signature": "0x4cfd56fd263c466be4ea4a3ee3b3752c2b88a46d6eba243b59887fab27c63cac29203d4974529ec556890ff6daec425e922c8141b0a73fd35dae724c8edf0c981c",
    "signer": "0xeb71D7bDd9f1cA479325005f04564BE9BCeEf113",
    "userId": "952847282"
  }
}