{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xcdc70c67bdc4774a3ef5082d55eccdeb3681ac62d6ff32762e53571032528347",
    "signature": "0x470e2dd1fd11622f8e18c96b32fba275b0141c00ccdf72af39085071793cd876742796bdb90b3ab7e10921868c0bfd9039683428b7910e75e8eb6795e82f9fbb1b",
    "signer": "0x28Bbb53f14b48eE811b10fD56903fc4D922C6902",
    "userId": "625201833"
  }
}