{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119380",
    "entityType": "User",
    "nonce": "0x7d7848f2e7b26c7fdf69bf5b8360ab2113c75f88481fb4b47d55315c0655f784",
    "signature": "0x7d4d5f66eba464e50f7e61be85cb6bba75dd7938a131ea8c18f15d4811e947ce11245c74aee711ee48898cef0ab233af1763d2a519409721855caffe60771aa81c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}