{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9507",
    "entityType": "User",
    "nonce": "0x3bb0e533e9a2df99412fb5d520ede381bbe03c7093a1bb8fcb1e7d19b195dec2",
    "signature": "0x854f41da8545eb58cd8114931b4e0bf47f5e0233ac53217aec35cdae10db8e7d642329e6836bca641cb2a86eb64597028f616887679fe43f681134088110e6a01b",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}