{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1885765",
    "entityType": "User",
    "nonce": "0xf7e5ef53f0679b830b46f11eb8c880fe5a659f286d05b12468a64cfdd7e78c52",
    "signature": "0x0b5ee14832512a90e023aa3a31b333c9ae8390d25c9a29add75133ae03004c27714a4f475d4d82a1081a840289fb6e677be962e92672ad73cba5ab958aae20271b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}