{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170537",
    "entityType": "User",
    "nonce": "0xd42e1acec980d194409ed9a8c0ef307498dc80d248da8d3dea97c52ac2e2847f",
    "signature": "0x5dd319d64d86132e71c8d778e71bdd7c5b3a2564fd6d6114f4e2b9d8d45e904850c2f57f074437ee8c9da1d7a4615565838f397ce214fde0046b5731171f630f1b",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}