{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951116729",
    "entityType": "User",
    "nonce": "0x1b42fe8c58b88385e733400fa043ca5743c262ae6212e2344afb6d86f615c876",
    "signature": "0x068200e5e8cc1aed499f26f9864bd8eec1d73a11a90d39b930f522154883c3f01bb1e16af12778a082e31222f56171c9f46b9e7a858db6df5847f037900ebc051b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}