{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40274",
    "entityType": "User",
    "nonce": "0xf3720617854f07cdd79fb4c3da2f96ae36f831d1db20ac63e124f0d6d09f2420",
    "signature": "0x0b26d3af86238b2f86f8ad57b2035481255ac3448ebd7717a48f47e28b51da6a0da64ac58645c75d4a07adc5c85fba1c507c52dcdfd165ab7f8fb6efc9b570701b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}