{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x61ac83e1173c157b57876abefb9c8bed1ddac814cc21c4144801088d5ffaffef",
    "signature": "0xcd8bc5266f5fb6d091718681f966882764ede6138482f9485c3a1d2e76379ed16b33e746c43b2a8e81f2ffffd17980053e6363127a90bac719b66482e40dd8161b",
    "signer": "0xb048bD61FDCf327C9a427cdE23bbA16700E0bb74",
    "userId": "850759075"
  }
}