{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x71af13709939ce6b0a0e8a7c953400330576f501ce898b385d080de55d19e223",
    "signature": "0x4cfcc80720907aa8a7c31315e8b3c39b84c389e9683a7e838b54317c4bf2a3b67067de0bdfd3792b2498b59512d2e12c240d9d7a5c537fcc2fdac9b814b88a4a1c",
    "signer": "0x4C413aA16AB0452da796Af095ae4D4C4B82F5f32",
    "userId": "44882442"
  }
}