{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x8ef6389a198c6a88820df961198c86b948db400603200667fce93aa433c32ba9",
    "signature": "0xba5f78c6077064d22392995df8f2fd4e52d62c1f86d47e3e83ebb58e09e389606f9ce8219b9918568b9980252d571590d90436fced6ef5e0b10826569bb108851b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}