{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb35f3b56af6c1cef0af718d83bdb1e4e431a3098e2ccfa54c882d770c3f6e559",
    "signature": "0x2e7cbc2332e45e8487fe6f9d33bcf6427e29dfa153223a3486b2f22cf538a3115cf8e794dc5ebba430c9f47945f1cd317bdfa590c06d97607c81804b6dc432a61c",
    "signer": "0x0CB375b305C582944913e64FbbE0373b0eB538ba",
    "userId": "281507882"
  }
}