{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6c5f4920b9f01bc9a0dd6d7fd32284e8df736c81887d02f2dabc51626a160c0b",
    "signature": "0x7f1fbffc603a02aff95a3bf277f53994e054fbcd1cc178a3c7061f053dc4546d331a57d5c903cb61e0de285ed6e93c37a09fb3e40acccfe7a13e72ee377ef5ac1c",
    "signer": "0x7348163f8321a82CF3ebc5cd7Ae1F14265494ECC",
    "userId": "596571683"
  }
}