{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "489026160",
    "entityType": "User",
    "nonce": "0xe6e328c90391119b9c031e91beda3ed27f33e5a98e8175d3af59fe96fac72ef8",
    "signature": "0x0e851c0988108e8310e6a7d6e386ab407a1fab274b274a34a645b0b6ba94c1e82b6c80b95cd2bf61723af620c0480e02a35a1491671d76d2a42cc64d7de6eb031b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}