{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "742030",
    "entityType": "User",
    "nonce": "0xae6de94e9724c067482ee16cecc091f43110f9e5089dd300bfc1be7d094bdfc8",
    "signature": "0xd23a5a48bfaad394408e378157fb29bb70d894628cca24ee95ce4ee0fef267146d9c334a2bbcbb16aed47f0a61998fd222604cbe21dfa531ad17f1c2e3925afb1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}