{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x95a197d77d2ef8d6b4a33c4bf6ffe7a11b4aa027ef0ba34fae171b9834bd6f74",
    "signature": "0x6a845ffab9d301daa4f4d6a9297d99b274a3f486c607dd4b22e57ef000a0964d700da9fa82848533626cec3a7fa34d13aa6d178c10c8caf4d1fbf551968c47571b",
    "signer": "0xAE2c0b3899295FA536E40421e18f01e9Afd30539",
    "userId": "530705025"
  }
}