{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x00dc68163fc0f43ca9ea4161a6773dcb84e1ea88d0ca4b8981466efc4f905f6a",
    "signature": "0xe464356488b4d10b9b6cfd611d0992d247ac93535ef6a93a296bd5c203fe5c3c790ef2512ede41a2ef5454e380a10ee0a87721295f88e00806f855f854db78c01b",
    "signer": "0x3553FD970Aa1f7042aA266B76b58401B406F7102",
    "userId": "369215497"
  }
}