{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x5ca9b62f42466fc2ae7d0bffa7ee1e2cb694757776d5d02e6158e53813239a3f",
    "signature": "0x8e12bce6406cf1c637c7eb06168c0ddcc2792bc6a12a84666da12b7466d9cf313eaca9b90aa85cbf1e990f290c02164a3c38f98afbdc76592eb3ad432e10dac31c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}