{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x93800db62aa7904862a58acba27ef77af0564cc7b2a1ec8522f4af4ae391950c",
    "signature": "0x55d59420c85290bf3bfe80d7a2f825d43fcc8de7451a9bb56b23fd803c113d2d395bf32e5bcf596682debec7ad9da2af316bdcf9b0b19061a0188f57f0213ebe1c",
    "signer": "0xad20693C78c00406cd7d18D003dAB2a271dC83e7",
    "userId": "283867973"
  }
}