{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x2a401da8bc1bf1270812347616d8168da7c33721e9e8dd2a4bf1700bd09af811",
    "signature": "0x1f56d3a724196dfd2df9d9129a3869e7742979dbab63bf48b4e7f709629bcd344b26213364436d2bd766fdd8d1160a460aa0c4b66645a97f37f06b61d92928a81c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}