{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275305",
    "entityType": "User",
    "nonce": "0x2a61bc659b82f95675687e64f241b0fb017996eb36e1430a5d0110391591bb2b",
    "signature": "0x6a264bb0e5f9639bb6793b8be29c197c4b1e4ab7a7971f4414f51410980c06e04df6567bb2801f4aacd33ea94b9cff663fa1e9111f29f4fb68b8e116f47082bc1c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}