{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "292301",
    "entityType": "User",
    "nonce": "0x8aae3695cb6efe39b7c8456ecefdbe0d84f9d0d880f04edd54dfd9a5ed310039",
    "signature": "0xb95cf4d981f9d7efb5b8c7c19e405fb7a904965eb23a5f76315f966214593b011c2f2c7e7138a1f8ee44d30efe8fb353fb89951e81e89b8b0b826c07b0d0bcf91c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}