{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "292325",
    "entityType": "User",
    "nonce": "0x646d2b9cab5a51914a0664e7491ba6f3eac25fa227c3606f69439975d0b19fdb",
    "signature": "0xabfa6e34f2f4a11e026ede5377caecf0057ee9ecce6f2d7b223693bda7bd93d4404103ae2d6cb3e8fae4f996eb4a7020f61e4c5394e0b9b58a8ddff3dd2f062b1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}